Audio for a motion sensor - Electronic Circuits Projects Diagrams Free

Poncho · 10th October 2002, 11:50 PM

Hi,
I'm building a door chime based on the PIR sensors,but I can't find a suitable "ding dong" tone generator circuit .
I bought a motion sensor kit from Elenco Kits which uses one microprocessor for generating the tone I don´t know where to find a dealer for that chip .
Any help with this project will be much appreciated .
Thank you .

Poncho.

franciscampov@yahoo.com

thec · 11th October 2002, 03:49 PM

With a basic stamp (from parallax inc) you could make a doorbell very easily, one pin for input (button) and one pin for output (sound). Then you could easily make your own tones and have some fun at the samt time.

You program them directly through the serial port of your computer so it's really easy to do...

That's prob. what the microprocessor you're talking about does, I just don't know any easy way to make a "ding-dong" tone using basic components.

Good Luck
//Albert "thec" Sandberg

bogdanfirst · 14th December 2002, 03:56 PM

why bother with microprocessors.....
u can use ht-2811 chip wich generates a simple ding-dong sound,
or 2 555 timers as oscilators....
if u have any other ideas...

thec · 14th December 2002, 04:11 PM

The fun thing with micro processors are that you could make them play any song you care to program then somebody push the button.

But sure, you could make a buzzing sound easily without of course, but I just like to code I guess :-)

//Albert "thec" Sandberg

10th October 2002, 11:50 PM	(permalink)
Poncho New Member	Audio for a motion sensor Hi, I'm building a door chime based on the PIR sensors,but I can't find a suitable "ding dong" tone generator circuit . I bought a motion sensor kit from Elenco Kits which uses one microprocessor for generating the tone I don´t know where to find a dealer for that chip . Any help with this project will be much appreciated . Thank you . Poncho. franciscampov@yahoo.com

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11th October 2002, 03:49 PM	(permalink)
thec Experienced Member	With a basic stamp (from parallax inc) you could make a doorbell very easily, one pin for input (button) and one pin for output (sound). Then you could easily make your own tones and have some fun at the samt time. You program them directly through the serial port of your computer so it's really easy to do... That's prob. what the microprocessor you're talking about does, I just don't know any easy way to make a "ding-dong" tone using basic components. Good Luck //Albert "thec" Sandberg

14th December 2002, 03:56 PM	(permalink)
bogdanfirst Experienced Member	why bother with microprocessors..... u can use ht-2811 chip wich generates a simple ding-dong sound, or 2 555 timers as oscilators.... if u have any other ideas...

14th December 2002, 04:11 PM	(permalink)
thec Experienced Member	The fun thing with micro processors are that you could make them play any song you care to program then somebody push the button. But sure, you could make a buzzing sound easily without of course, but I just like to code I guess :-) //Albert "thec" Sandberg